Home / 282,945.80-390,510.70-166,678.04

Finding the Fourth Proportional to 282,945.80, 390,510.70 and 166,678.04

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Solution

The fourth proportional to 282,945.80, 390,510.70 and 166,678.04 is: 230,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,945.80 : 390,510.70 = 166,678.04 : x
  2. Step 2: Convert to fraction form
    282,945.80/390,510.70 = 166,678.04/x
  3. Step 3: Cross multiply
    282,945.80x = 390,510.70 × 166,678.04
  4. Step 4: Simplify right side
    282,945.80x = 65,089,558,634.61
  5. Step 5: Solve for x
    x = 65,089,558,634.61/282,945.80
  6. Step 6: Final answer
    x = 230,042.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.